Update Dockerfile
Start using 14.0.2 and remove temporary fofum directory after the installation
diff --git a/Dockerfile b/Dockerfile
index 5391fc6..9715a95 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:14.04.1
+FROM ubuntu:14.04.2
MAINTAINER Andy Bavier <acb@cs.princeton.edu>
# XXX Workaround for docker bug:
@@ -76,6 +76,7 @@
# For Observer
RUN git clone git://git.planet-lab.org/fofum.git /tmp/fofum
RUN cd /tmp/fofum; python setup.py install
+RUN rm -rf /tmp/fofum
RUN mkdir -p /usr/local/share /bin
ADD http://phantomjs.googlecode.com/files/phantomjs-1.7.0-linux-x86_64.tar.bz2 /usr/local/share/